EP1787805A4 - POLYOLEFIN MICROPOROUS MEMBRANES - Google Patents

POLYOLEFIN MICROPOROUS MEMBRANES

Info

Publication number
EP1787805A4
EP1787805A4 EP05788195A EP05788195A EP1787805A4 EP 1787805 A4 EP1787805 A4 EP 1787805A4 EP 05788195 A EP05788195 A EP 05788195A EP 05788195 A EP05788195 A EP 05788195A EP 1787805 A4 EP1787805 A4 EP 1787805A4
Authority
EP
European Patent Office
Prior art keywords
polyolefin microporous
less
microporous membranes
microporous membrane
polyethylene
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05788195A
Other languages
German (de)
French (fr)
Other versions
EP1787805B1 (en
EP1787805A1 (en
Inventor
Masahiro Ohashi
Hiroshi Sogo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Kasei Corp
Original Assignee
Asahi Kasei Chemicals Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=36142608&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1787805(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Asahi Kasei Chemicals Corp filed Critical Asahi Kasei Chemicals Corp
Publication of EP1787805A1 publication Critical patent/EP1787805A1/en
Publication of EP1787805A4 publication Critical patent/EP1787805A4/en
Application granted granted Critical
Publication of EP1787805B1 publication Critical patent/EP1787805B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • B32B27/205—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents the fillers creating voids or cavities, e.g. by stretching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/417—Polyolefins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/451—Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/457—Separators, membranes or diaphragms characterised by the material having a layered structure comprising three or more layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H01M50/491—Porosity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B32B2305/026—Porous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/514—Oriented
    • B32B2307/518—Oriented bi-axially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/10—Batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249978—Voids specified as micro
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249978—Voids specified as micro
    • Y10T428/24998—Composite has more than two layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Cell Separators (AREA)
  • Laminated Bodies (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

Disclosed is a polyolefin microporous membrane including a multilayer film having two or more layers. In this polyolefin microporous membrane, at least one surface layer has a thickness of not less than 0.2 µm but not more than 5 µm and contains inorganic particles, while at least one layer contains a polyethylene and has an air permeability of not less than 50 second/100 cc but not more than 1000 second/100 cc and a puncture strength of not less than 3.0 N/20 µm.
EP05788195A 2004-10-01 2005-09-29 Polyolefin microporous membrane Expired - Lifetime EP1787805B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004290122 2004-10-01
PCT/JP2005/018013 WO2006038532A1 (en) 2004-10-01 2005-09-29 Polyolefin microporous membrane

Publications (3)

Publication Number Publication Date
EP1787805A1 EP1787805A1 (en) 2007-05-23
EP1787805A4 true EP1787805A4 (en) 2010-07-14
EP1787805B1 EP1787805B1 (en) 2011-11-23

Family

ID=36142608

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05788195A Expired - Lifetime EP1787805B1 (en) 2004-10-01 2005-09-29 Polyolefin microporous membrane

Country Status (8)

Country Link
US (3) US20080193833A1 (en)
EP (1) EP1787805B1 (en)
JP (1) JP4711965B2 (en)
KR (3) KR20110100682A (en)
CN (2) CN102218880A (en)
AT (1) ATE534513T1 (en)
TW (1) TWI294350B (en)
WO (1) WO2006038532A1 (en)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE534513T1 (en) * 2004-10-01 2011-12-15 Asahi Kasei Chemicals Corp POLYOLEFIN MICROPOROUS MEMBRANE
JP2007188777A (en) * 2006-01-13 2007-07-26 Sony Corp Separator and non-aqueous electrolyte battery
JP5288736B2 (en) * 2006-07-13 2013-09-11 旭化成イーマテリアルズ株式会社 Ceramic composite
WO2008059806A1 (en) 2006-11-14 2008-05-22 Asahi Kasei Chemicals Corporation Separator for lithium ion secondary battery and method for manufacturing the separator
ATE538167T1 (en) 2007-01-30 2012-01-15 Asahi Kasei E Materials Corp MICROPOROUS POLYOLEFIN MEMBRANE
JP4936960B2 (en) * 2007-04-04 2012-05-23 旭化成イーマテリアルズ株式会社 Composite microporous membrane, battery separator, and method of manufacturing composite microporous membrane
JP5164413B2 (en) * 2007-04-04 2013-03-21 旭化成イーマテリアルズ株式会社 Composite microporous membrane, battery separator, and method of manufacturing composite microporous membrane
EP2517880B1 (en) * 2007-06-06 2014-03-26 Asahi Kasei E-materials Corporation Multilayer porous film
KR100865449B1 (en) 2007-06-08 2008-10-28 도레이새한 주식회사 Manufacturing method of multi-component separator for lithium secondary battery and separator prepared therefrom
JP5196908B2 (en) * 2007-08-15 2013-05-15 三菱樹脂株式会社 Laminated porous film, battery separator and battery using the same
JP5473042B2 (en) * 2007-08-15 2014-04-16 三菱樹脂株式会社 Laminated porous film, battery separator and battery using the same
US8003204B2 (en) 2007-12-26 2011-08-23 Sk Energy Co., Ltd. Microporous polyolefin multi layer film and preparing method thereof
KR101437852B1 (en) * 2007-12-26 2014-09-04 에스케이이노베이션 주식회사 Microporous polyolefin multi layer film and preparing method thereof
JP2009185093A (en) * 2008-02-01 2009-08-20 Asahi Kasei E-Materials Corp Polyolefin microporous membrane
JP5079544B2 (en) * 2008-02-27 2012-11-21 旭化成イーマテリアルズ株式会社 Method for producing composite microporous membrane and method for producing lithium ion battery
KR101404451B1 (en) 2008-06-03 2014-06-10 에스케이이노베이션 주식회사 Multilayer polyolefin-based microporous membrane and method for manufacturing the same
JP5047089B2 (en) * 2008-07-31 2012-10-10 旭化成イーマテリアルズ株式会社 Method for producing multilayer microporous membrane and separator for non-aqueous electrolyte secondary battery
EP2337114B1 (en) * 2008-09-03 2016-11-02 Mitsubishi Plastics, Inc. Laminated porous film for separator
CN102209632B (en) * 2008-11-10 2014-12-10 三菱树脂株式会社 Laminated porous film, separator for lithium battery, and battery
KR101640777B1 (en) * 2008-11-17 2016-07-19 도레이 배터리 세퍼레이터 필름 주식회사 Microporous membranes and methods for producing and using such membranes
JP5621248B2 (en) * 2009-02-03 2014-11-12 ソニー株式会社 Separator and battery
JP5369171B2 (en) * 2009-03-09 2013-12-18 旭化成イーマテリアルズ株式会社 Laminated separator and method for producing the same
US9289728B2 (en) 2009-03-30 2016-03-22 Toray Battery Separator Film Co., Ltd. Microporous membranes, methods for making such membranes, and the use of such membranes as battery separator film
KR101394622B1 (en) 2009-04-06 2014-05-20 에스케이이노베이션 주식회사 Microporous polyolefin multilayer film possessing good mechanical properties and thermal stability
JP2011100635A (en) * 2009-11-06 2011-05-19 Sumitomo Chemical Co Ltd Laminated film and nonaqueous electrolyte secondary battery
JP5648284B2 (en) * 2009-12-24 2015-01-07 住友化学株式会社 Laminated film and non-aqueous electrolyte secondary battery
US8592071B2 (en) 2010-02-26 2013-11-26 Mitsubishi Plastics, Inc. Laminated porous film and separator for battery
JP5721334B2 (en) 2010-03-11 2015-05-20 三洋電機株式会社 Nonaqueous electrolyte secondary battery
JP5431218B2 (en) 2010-03-18 2014-03-05 三洋電機株式会社 Non-aqueous electrolyte secondary battery
JP5658758B2 (en) * 2010-10-01 2015-01-28 三菱樹脂株式会社 Laminated porous film, battery separator and battery
CN102049859B (en) * 2010-11-04 2013-05-15 湖北龙辰科技股份有限公司 BOPP thin-film production technology for capacitor with multi-layered compound structure
EP2469623A1 (en) 2010-12-24 2012-06-27 Takemoto Yushi Kabushiki Kaisha Polyolefin microporous membrane and separator for lithium ion battery
US20130323570A1 (en) * 2011-02-28 2013-12-05 Sanyo Electric Co., Ltd. Nonaqueous electrolyte secondary battery
WO2012120608A1 (en) * 2011-03-07 2012-09-13 日立マクセル株式会社 Separator for batteries, and battery
CN103415391A (en) * 2011-03-18 2013-11-27 宝洁公司 Multilayer polymer film and method of forming same
US20140011068A1 (en) * 2011-03-29 2014-01-09 Sanyo Electric Co., Ltd. Non-aqueous electrolyte secondary battery
WO2014046131A1 (en) * 2012-09-20 2014-03-27 旭化成株式会社 Lithium ion capacitor
DE102012217454A1 (en) * 2012-09-26 2014-03-27 Robert Bosch Gmbh Battery cell with housing cover plate with increased central area
DE102012217451A1 (en) * 2012-09-26 2014-04-17 Robert Bosch Gmbh Battery cell with integrated snap-in spring housing area in housing cover plate
US20150188107A1 (en) * 2012-09-27 2015-07-02 Sanyo Electric Co., Ltd. Non-aqueous electrolyte secondary battery
CN103785302A (en) * 2012-10-29 2014-05-14 深圳市冠力新材料有限公司 Method for controlling thickness customization aperture porous membrane
JP5833999B2 (en) * 2012-12-03 2015-12-16 三菱樹脂株式会社 Method for producing laminated porous film
JP5723353B2 (en) * 2012-12-03 2015-05-27 三菱樹脂株式会社 Method for producing laminated porous film
JP6063247B2 (en) * 2012-12-25 2017-01-18 オートモーティブエナジーサプライ株式会社 Non-aqueous electrolyte battery for vehicle and method of using the same
JP6183464B2 (en) * 2013-10-11 2017-08-23 株式会社村田製作所 Nonaqueous electrolyte battery and manufacturing method thereof
JP5756192B2 (en) * 2014-01-23 2015-07-29 日立マクセル株式会社 Lithium ion secondary battery
JP5825374B2 (en) * 2014-02-07 2015-12-02 ソニー株式会社 Separator and non-aqueous electrolyte battery
CN106163807B (en) 2014-04-09 2018-04-24 住友化学株式会社 Laminated porous film and non-aqueous electrolyte secondary battery
JP6612739B2 (en) * 2014-04-10 2019-11-27 住友化学株式会社 Laminated porous film and non-aqueous electrolyte secondary battery
US9865856B2 (en) 2014-08-29 2018-01-09 Sumitomo Chemical Company, Limited Porous layer, separator formed by laminating porous layer, and non-aqueous electrolyte secondary battery including porous layer or separator
KR101788430B1 (en) * 2014-08-29 2017-10-19 스미또모 가가꾸 가부시키가이샤 Porous layer, separator formed by laminating porous layer, and non-aqueous electrolyte secondary battery including porous layer or separator
CN111212734B (en) 2017-10-13 2023-04-25 旭化成株式会社 Polyolefin microporous film and lithium ion secondary battery using same
WO2019103947A2 (en) * 2017-11-21 2019-05-31 Asahi Kasei Kabushiki Kaisha Separator for electric storage device
JP2023533727A (en) * 2020-07-01 2023-08-04 セラニーズ・インターナショナル・コーポレーション Polymer composition and membranes with improved mechanical strength made from the same
US20240174845A1 (en) 2021-03-30 2024-05-30 Asahi Kasei Kabushiki Kaisha Resin Pellet Composition, Production Method Therefor, and Method for Producing Microporous Film
CN119968422A (en) * 2022-08-02 2025-05-09 赛尔格有限责任公司 Absorption devices, materials and methods

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001266828A (en) * 2000-03-17 2001-09-28 Nippon Muki Co Ltd Non-aqueous electrolyte battery separator
JP2003105123A (en) * 2001-09-28 2003-04-09 Tonen Chem Corp Polyolefin microporous membrane and method for producing the same
EP1454742A2 (en) * 2003-03-06 2004-09-08 Sumitomo Chemical Company, Limited Method for producing laminated porous polyolefin film and laminated porous polyolefin film
EP1464669A1 (en) * 2002-08-28 2004-10-06 Asahi Kasei Chemicals Corporation Polyolefin microporous membrane and method of evaluating the same

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4650730A (en) 1985-05-16 1987-03-17 W. R. Grace & Co. Battery separator
JPS63108041A (en) * 1986-06-12 1988-05-12 Tokuyama Soda Co Ltd Microporous film and production thereof
US4777073A (en) * 1987-03-11 1988-10-11 Exxon Chemical Patents Inc. Breathable films prepared from melt embossed polyolefin/filler precursor films
JPH0824404B2 (en) 1990-06-01 1996-03-06 株式会社椿本チエイン Speed control method and speed control device for terrestrial primary linear motor type shuttle cart
US5240655A (en) * 1991-12-20 1993-08-31 W. R. Grace & Co.-Conn. Process of making a battery separator
CA2213858C (en) * 1995-03-03 2001-12-11 Takuya Hasegawa Polyethylene microporous film and process for producing the same
JPH08250097A (en) * 1995-03-15 1996-09-27 Kureha Chem Ind Co Ltd Interpole separator for electrochemical device
JPH08244152A (en) * 1995-03-15 1996-09-24 Nitto Denko Corp Porous film and method for producing the same
WO1997020883A1 (en) * 1995-12-05 1997-06-12 Asahi Kasei Kogyo Kabushiki Kaisha Microporous polyethylene membranes having low fusing temperatures
JP3939778B2 (en) * 1996-02-09 2007-07-04 日東電工株式会社 Battery separator
US5948557A (en) * 1996-10-18 1999-09-07 Ppg Industries, Inc. Very thin microporous material
JPH1180395A (en) 1997-09-09 1999-03-26 Nitto Denko Corp Porous membrane and separator for non-aqueous electrolyte battery
US6080507A (en) * 1998-04-13 2000-06-27 Celgard Inc. Trilayer battery separator
JP2000208123A (en) 1999-01-19 2000-07-28 Nippon Muki Co Ltd Separator for non-aqueous electrolyte battery
CN1236508C (en) * 1999-11-10 2006-01-11 宇部兴产株式会社 Battery spacing membranes and lithium secondary battery
FR2802849B1 (en) * 1999-12-28 2002-03-01 Trioplanex France MICROPOROUS MULTILAYER FILM AND PROCESS FOR PRODUCING THE SAME
JP3513076B2 (en) 2000-04-07 2004-03-31 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー MRI equipment
US6432586B1 (en) 2000-04-10 2002-08-13 Celgard Inc. Separator for a high energy rechargeable lithium battery
WO2002007237A2 (en) 2000-07-13 2002-01-24 Hollingsworth & Vose Company Gel-forming battery separator
US20030180525A1 (en) * 2000-12-28 2003-09-25 Strack David Craige Cross-directional extendible films having high breathability and low outer dampness
WO2002065561A1 (en) 2001-02-14 2002-08-22 Sony Corporation Non-aqueous electrolytic battery
JP4931163B2 (en) 2001-04-24 2012-05-16 旭化成イーマテリアルズ株式会社 Polyolefin microporous membrane
TWI296571B (en) * 2001-08-13 2008-05-11 Clopay Corp Mulyilayer microporous films and methods
JP3965954B2 (en) 2001-09-12 2007-08-29 三菱化学株式会社 Porous film
GB0214366D0 (en) 2002-06-21 2002-07-31 Pi Photonics Ltd Hermetic fibre feedthrough assemblies
DE10238944A1 (en) * 2002-08-24 2004-03-04 Creavis Gesellschaft Für Technologie Und Innovation Mbh Separator for use in high energy batteries and process for its manufacture
AU2003258395A1 (en) 2002-08-30 2004-03-19 Puratos Naamloze Vennootschap Myrothecium sp. transformation and expression system
JP2004290122A (en) 2003-03-27 2004-10-21 Kyocera Corp Substrate for nucleic acid sensor
WO2004089627A1 (en) * 2003-04-04 2004-10-21 Asahi Kasei Chemicals Corporation Polyolefin microporous membrane
US8104625B2 (en) * 2004-05-20 2012-01-31 Asahi Kasei Chemicals Corporation Microporous membrane made of polyolefins
CN101014649B (en) * 2004-08-30 2010-06-23 旭化成电子材料株式会社 Polyolefin microporous film and battery separator
ATE534513T1 (en) * 2004-10-01 2011-12-15 Asahi Kasei Chemicals Corp POLYOLEFIN MICROPOROUS MEMBRANE

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001266828A (en) * 2000-03-17 2001-09-28 Nippon Muki Co Ltd Non-aqueous electrolyte battery separator
JP2003105123A (en) * 2001-09-28 2003-04-09 Tonen Chem Corp Polyolefin microporous membrane and method for producing the same
EP1464669A1 (en) * 2002-08-28 2004-10-06 Asahi Kasei Chemicals Corporation Polyolefin microporous membrane and method of evaluating the same
EP1454742A2 (en) * 2003-03-06 2004-09-08 Sumitomo Chemical Company, Limited Method for producing laminated porous polyolefin film and laminated porous polyolefin film

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 200215, Derwent World Patents Index; AN 2002-109440, XP002584884 *
DATABASE WPI Week 200367, Derwent World Patents Index; AN 2003-700597, XP002584883 *

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KR20070059124A (en) 2007-06-11
US20080193833A1 (en) 2008-08-14
EP1787805B1 (en) 2011-11-23
WO2006038532A1 (en) 2006-04-13
US20170288195A1 (en) 2017-10-05
JPWO2006038532A1 (en) 2008-05-15
TW200613138A (en) 2006-05-01
CN101031421B (en) 2011-07-27
TWI294350B (en) 2008-03-11
US20140255753A1 (en) 2014-09-11
ATE534513T1 (en) 2011-12-15
EP1787805A1 (en) 2007-05-23
KR101078456B1 (en) 2011-10-31
KR20080106989A (en) 2008-12-09
US10384426B2 (en) 2019-08-20
US9741989B2 (en) 2017-08-22
CN101031421A (en) 2007-09-05
KR20110100682A (en) 2011-09-14
JP4711965B2 (en) 2011-06-29

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